El transporte Ekman: un posible factor en la entrada de puerulos de P. argus en la plataforma suroccidental de Cuba
An study of the Ekman transport in the adjacient oceanic region to the suroccidental shelf of the gulf of Batabanó between 82,5º and 81,5º of west longitude and 21,5º and 19,5º of north latitude it was carried out. This is a zone of great importance of being one of the main sites of pueruli onshore to the shelf shallow waters. The monthly analysis of the transport between 1967 and 2006 establishes water onshore to the shelf, with remarkable increases related to the influence of hurricanes Gilbert (1988), Mitch (1998), Iván and Charlie (2004) and Olga (2007). The seasonal pattern showed values superior to the averages from September to November, which indicates greater oceanic water offshore, related with greater pueruli entrance. Between April and August, a decrease of the transport takes place towards the shelf, which corresponds with the offshore larvae time. In the middle of the1990´s, it could be as consequence of a greater hurricane frequency. An increase in the annual transport it was observed as an inverse correspondence with the pueruli index, which reaches its maximum in 1988, associated in appearance with the Gilbert hurricane, to be gradually diminishing and influencing in the P. argus recruitment in the fishery zones.
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Format: | Preprint biblioteca |
Language: | Spanish / Castilian |
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2010
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Subjects: | Ekman transport, |
Online Access: | http://hdl.handle.net/1834/3538 |
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dig-aquadocs-1834-35382021-05-19T06:35:34Z El transporte Ekman: un posible factor en la entrada de puerulos de P. argus en la plataforma suroccidental de Cuba The Ekman transport: a possible mechanism in the entrance of pueruli from P. argus in the suroccidental shelf of Cuba Piñeiro, R. León, M. E. Puga, R. Cobas, S. Ekman transport An study of the Ekman transport in the adjacient oceanic region to the suroccidental shelf of the gulf of Batabanó between 82,5º and 81,5º of west longitude and 21,5º and 19,5º of north latitude it was carried out. This is a zone of great importance of being one of the main sites of pueruli onshore to the shelf shallow waters. The monthly analysis of the transport between 1967 and 2006 establishes water onshore to the shelf, with remarkable increases related to the influence of hurricanes Gilbert (1988), Mitch (1998), Iván and Charlie (2004) and Olga (2007). The seasonal pattern showed values superior to the averages from September to November, which indicates greater oceanic water offshore, related with greater pueruli entrance. Between April and August, a decrease of the transport takes place towards the shelf, which corresponds with the offshore larvae time. In the middle of the1990´s, it could be as consequence of a greater hurricane frequency. An increase in the annual transport it was observed as an inverse correspondence with the pueruli index, which reaches its maximum in 1988, associated in appearance with the Gilbert hurricane, to be gradually diminishing and influencing in the P. argus recruitment in the fishery zones. Se estudia el transporte Ekman en la región oceánica adyacente a la plataforma suroccidental del golfo de Batabanó, en un polígono comprendido entre los 82,5° y 81,5° de longitud Oeste y 21,5° y 19,5° de latitud Norte. Esta es una zona de gran importancia por ser uno de los principales sitios de entrada de puerulos a la plataforma. En el análisis mensual del transporte entre 1967 y 2006, se obtuvo que hay una entrada de agua a la plataforma con incrementos notables relacionados con la influencia de los huracanes Gilbert (1988), Mitch (1998), Iván y Charlie (2004) y Olga (2007). El patrón estacional estimado presenta valores superiores a los promedios desde septiembre hasta noviembre, lo cual indica un mayor ingreso de agua oceánica hacia la plataforma y se corresponde con el período de mayor entrada de puerulos. Entre abril y agosto se produce una disminución del transporte hacia la plataforma, lo que corresponde con la época de desove y salida de larvas hacia el océano. A mediados de la década de 1990 se produce un incremento del transporte promedio anual, que pudiera ser el resultado de una mayor frecuencia de huracanes en la región. Este comportamiento es inverso al índice de puerulos, el cual alcanza su máximo en al año 1988, asociado al parecer con el ciclón Gilbert, para ir disminuyendo paulatinamente e influir en el reclutamiento de la especie a las zonas de pesca. pueruli index,seasonal pattern 2010-06-14T19:06:26Z 2010-06-14T19:06:26Z 2010 Preprint http://hdl.handle.net/1834/3538 es Golfo de Batabanó, La Habana, Cuba |
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Ekman transport Ekman transport |
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Ekman transport Ekman transport Piñeiro, R. León, M. E. Puga, R. Cobas, S. El transporte Ekman: un posible factor en la entrada de puerulos de P. argus en la plataforma suroccidental de Cuba |
description |
An study of the Ekman transport in the adjacient oceanic region to the suroccidental shelf of
the gulf of Batabanó between 82,5º and 81,5º of west longitude and 21,5º and 19,5º of north
latitude it was carried out. This is a zone of great importance of being one of the main sites of
pueruli onshore to the shelf shallow waters. The monthly analysis of the transport between
1967 and 2006 establishes water onshore to the shelf, with remarkable increases related to
the influence of hurricanes Gilbert (1988), Mitch (1998), Iván and Charlie (2004) and
Olga (2007). The seasonal pattern showed values superior to the averages from September to November, which indicates greater oceanic water offshore, related with greater pueruli
entrance. Between April and August, a decrease of the transport takes place towards the
shelf, which corresponds with the offshore larvae time. In the middle of the1990´s, it could be
as consequence of a greater hurricane frequency. An increase in the annual transport it was
observed as an inverse correspondence with the pueruli index, which reaches its maximum in
1988, associated in appearance with the Gilbert hurricane, to be gradually diminishing and
influencing in the P. argus recruitment in the fishery zones. |
format |
Preprint |
topic_facet |
Ekman transport |
author |
Piñeiro, R. León, M. E. Puga, R. Cobas, S. |
author_facet |
Piñeiro, R. León, M. E. Puga, R. Cobas, S. |
author_sort |
Piñeiro, R. |
title |
El transporte Ekman: un posible factor en la entrada de puerulos de P. argus en la plataforma suroccidental de Cuba |
title_short |
El transporte Ekman: un posible factor en la entrada de puerulos de P. argus en la plataforma suroccidental de Cuba |
title_full |
El transporte Ekman: un posible factor en la entrada de puerulos de P. argus en la plataforma suroccidental de Cuba |
title_fullStr |
El transporte Ekman: un posible factor en la entrada de puerulos de P. argus en la plataforma suroccidental de Cuba |
title_full_unstemmed |
El transporte Ekman: un posible factor en la entrada de puerulos de P. argus en la plataforma suroccidental de Cuba |
title_sort |
el transporte ekman: un posible factor en la entrada de puerulos de p. argus en la plataforma suroccidental de cuba |
publishDate |
2010 |
url |
http://hdl.handle.net/1834/3538 |
work_keys_str_mv |
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